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Simplifying
81a2 + 8 = 17
Reorder the terms:
8 + 81a2 = 17
Solving
8 + 81a2 = 17
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '-8' to each side of the equation.
8 + -8 + 81a2 = 17 + -8
Combine like terms: 8 + -8 = 0
0 + 81a2 = 17 + -8
81a2 = 17 + -8
Combine like terms: 17 + -8 = 9
81a2 = 9
Divide each side by '81'.
a2 = 0.1111111111
Simplifying
a2 = 0.1111111111
Take the square root of each side:
a = {-0.333333333, 0.333333333}
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